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Strategies to manage cows in dry conditions

In drought or abnormally dry weather conditions, cattle producers need to look at numerous management practices to help stretch their feed supply and maintain performance and reproduction in the cow herd. Iowa State University Extension beef specialist Denise Schwab offers a few strategies that may help.

“First, develop a plan before the drought conditions get any worse,” says Schwab. “How do you plan to provide emergency feed in the short term, as well as winter feed in the longer term? This requires an inventory of feed currently available and an inventory of the cow herd. You can often purchase hay less expensively during the growing season than in winter, and you also have the option now to incorporate silage into your winter feed supply.”

Second, give your pasture some rest. Consider splitting your pasture into smaller paddocks and sacrificing one to use with supplemental feed, she advises. Allowing the other paddocks to rest and regrow when rain occurs this fall will probably result in more fall forage available to the cow herd. Also, rotational grazing reduces selectivity in a cow’s grazing habit, enhances forage use rate and can improve pasture carrying capacity by 10% to 30%.

Consider weaning calves early

“You also can consider weaning calves early. This will reduce the demand on the pasture forage by 25% to 35% and will reduce the nutritional demands of the cow by 30% to 40%,” Schwab says. “Creep feeding calves can help reduce the demand on the pasture slightly and will help prepare the young calf for weaning.”

Another strategy is to cull all free-loader cows immediately. This includes late-calving cows, open cows and cows with feet, leg, eye or udder problems that should be sold immediately. Don’t waste precious feed on cows that don’t perform.

“Finally, get your winter feed supply lined up soon,” she says. “Whether you need to locate a custom chopper or bagger to chop your silage, or you need to lay out fence for grazing standing corn, it is much easier to do now than at the last minute.”

More information on cow management strategies during a drought and on forage planning is at www.iowabeefcenter.org, or call Schwab at 319-721-9624.

More trees dying due to dryness

Dry conditions this summer are putting stress on Iowa trees. Trees on marginal sites are dying all over the state, says Jesse Randall, Iowa State University Extension forester. With much of Iowa experiencing abnormally dry and moderate drought conditions, according to the U.S. Drought Monitor report, these are tough times for trees.

“This year trees with other non-fatal ailments will die because of the addition of drought stress,” says Randall. “Trees planted within the last three years need two to three waterings per week. Once you start to water you cannot stop.” Randall says you must decide whether to provide consistent watering or take your chances with Mother Nature.

Randall recommends watering in the early morning hours or late evenings, and continuing to water until 1 inch rains become a regular event.

Newly planted trees don’t have the root systems established well enough yet to handle drought stresses. Even when planted correctly and with a good healthy root system, they just can’t make it without help because the root system is not fully developed, he notes.

“This drought will speed up the decline of ‘hidden’ unhealthy trees as well,” Randall says. “While it is difficult to lose a tree, drought conditions are exposing a lot of older trees that had pre-existing conditions and would have been lost at some point. See www.extension.iastate.edu/forestry.

Source: ISU Extension


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This article published in the August, 2012 edition of WALLACES FARMER.

All rights reserved. Copyright Farm Progress Cos. 2012.